Here is the workaround accessing EFI variables with rt-kernels: #1021245 - linux-image-5.10.0-18-rt-amd64: can't access EFIVARS when using rt version of kernel - Debian Bug report logs <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021245#10>
Here is the workaround accessing EFI variables with rt-kernels: #1021245 - linux-image-5.10.0-18-rt-amd64: can't access EFIVARS when using rt version of kernel - Debian Bug report logs <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021245#10>